p,body,div,h1,h2,h3,h4,h5,html,ul,li,img{
	padding: 0;
	margin: 0;
	font-weight: normal;
	text-decoration: none;
	list-style: none;
	vertical-align: top;
}
body{
	font-size: 18px;
}
input,button,select,textarea{
	outline: none;
	background: transparent;
	border: none;
}
.lt{
	float: left;
}
.rt{
	float: right;
}
.clear{
	overflow: hidden;
}
img{
	width:100%;
	height: 100%;
}
.backtop{
	position: fixed;
	right: 0.1rem;
	bottom: 0.7rem;
	width: 0.4rem;
	height: 0.4rem;
	line-height: 0.4rem;
	border-radius: 50%;
	background: transparent;
	text-align: center;
	z-index: 10;
	i{
		font-size: 0.4rem;
		color: #00868B;
		vertical-align: top;
	}
}